93721912 has 8 divisors (see below), whose sum is σ = 175728600. Its totient is φ = 46860952.

The previous prime is 93721909. The next prime is 93721919. The reversal of 93721912 is 21912739.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (93721919) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5857612 + ... + 5857627.

It is an arithmetic number, because the mean of its divisors is an integer number (21966075).

Almost surely, 2^93721912 is an apocalyptic number.

It is an amenable number.

93721912 is a deficient number, since it is larger than the sum of its proper divisors (82006688).

93721912 is a wasteful number, since it uses less digits than its factorization.

93721912 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11715245 (or 11715241 counting only the distinct ones).

The product of its digits is 6804, while the sum is 34.

The square root of 93721912 is about 9681.0077987780. The cubic root of 93721912 is about 454.2347754247.

The spelling of 93721912 in words is "ninety-three million, seven hundred twenty-one thousand, nine hundred twelve".